/*
 * Copyright 2024 LinQingYing. and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of this source code is governed by the Apache License 2.0,
 * which allows users to freely use, modify, and distribute the code,
 * provided they adhere to the terms of the license.
 *
 * The software is provided "as-is", and the authors are not responsible for
 * any damages or issues arising from its use.
 *
 */

package com.linqingying.cangjie.ide.completion.back

import com.linqingying.cangjie.analyzer.CangJieAnalysisSession
import com.linqingying.cangjie.analyzer.components.CangJieAnalysisSessionComponent
import com.linqingying.cangjie.analyzer.components.CjAnalysisSessionMixIn
import com.linqingying.cangjie.analyzer.lifetime.withValidityAssertion
import com.linqingying.cangjie.psi.CjDeclaration
import com.linqingying.cangjie.psi.CjFile

abstract class CangJieOriginalPsiProvider : CangJieAnalysisSessionComponent() {
    abstract fun getOriginalDeclaration(declaration: CjDeclaration): CjDeclaration?
    abstract fun getOriginalCjFile(file: CjFile): CjFile?

    abstract fun recordOriginalDeclaration(fakeDeclaration: CjDeclaration, originalDeclaration: CjDeclaration)
    abstract fun recordOriginalCjFile(fakeFile: CjFile, originalFile: CjFile)
}
class CangJieOriginalPsiProviderImpl(override val analysisSession: CangJieAnalysisSession) : CangJieOriginalPsiProvider() {
    override fun getOriginalDeclaration(declaration: CjDeclaration): CjDeclaration?  = null

    override fun getOriginalCjFile(file: CjFile): CjFile?  = null

    override fun recordOriginalDeclaration(fakeDeclaration: CjDeclaration, originalDeclaration: CjDeclaration) {

    }

    override fun recordOriginalCjFile(fakeFile: CjFile, originalFile: CjFile) {

    }
}

interface CjOriginalPsiProviderMixIn : CjAnalysisSessionMixIn {
    /**
     * Records [file] as an original file for [this].
     */
    fun CjFile.recordOriginalCjFile(file: CjFile) {
        withValidityAssertion { analysisSession.originalPsiProvider.recordOriginalCjFile(this, file) }
    }
    /**
     * Records [declaration] as an original declaration for [this].
     */
    fun CjDeclaration.recordOriginalDeclaration(declaration: CjDeclaration) {
        withValidityAssertion { analysisSession.originalPsiProvider.recordOriginalDeclaration(this, declaration) }
    }
}
